Brad Nails to fit Arrow Staplers T50PBN, ET100 and ET200. T50 PBN, ETF50 PBN, ETF50 BN, ET100, ET25. Nail Gauge 18, Nail Length 5/8in. These nails are a staple for your Arrow stapler and are suitable for a range of applications. The pack contains 1000 nails, ensuring you have plenty for your project. The 15mm length makes them ideal for securing thin materials or for detailed work. Available in a brown colour family.